Friends Franzi, Marieave and Kim planned to spend the summer rehearsing for a Peter Pan play, but when strange things start to happen at the theatre they take on the role of investigators.
Unfortunately the movie The Three Exclamation Marks is not yet available on HBO Max.
| Art | Susanne Hartmann | Set Dresser |
| Directing | Viviane Andereggen | Director |
| Writing | Sina Flammang | Writer |
| Writing | Simon Hauschild | Writer |
| Crew | Martin Langer | Cinematography |
| Art | Pierre Galic | Painter |
| Production | Rafael Walczak | Production Driver |
| Production | Phillis Dayanir | Casting |
| Sound | Lukas Brandes | Boom Operator |
| Crew | Torsten Jerabek | Stunt Coordinator |
| Production | Erik Merten | Production Driver |
| Costume & Make-Up | Alisza Pfeifer | Makeup Artist |
| Costume & Make-Up | Annette Schirmer | Makeup Artist |
| Production | Oliver Nommsen | Line Producer |
| Editing | Constantin von Seld | Editor |
| Production | Johanna Hellwig | Casting |
| Art | Heike Steen | Set Decoration |
| Costume & Make-Up | Ute Paffendorf | Costume Design |
| Costume & Make-Up | Nadine Scherer | Makeup Artist |
| Production | Helga Kles | Production Coordinator |
| Directing | Melanie Weber | Assistant Director |
| Directing | Henrike Wöbking | First Assistant Director |
| Production | Daniel Timm | Location Manager |
| Production | Detlev Nocke | Production Driver |
| Production | Martin Moszkowicz | Co-Producer |
| Crew | Manuel Faber | Set Production Assistant |
| Crew | Sven Rosenkranz | Set Production Assistant |
| Sound | Riad Abdel-Nabi | Music |
| Production | Carsten Stein | Production Driver |
| Sound | Wilmont Schulze | Foley Artist |
